Add linters

Author: sethvargo

.github/workflows/test.yml

@@ -16,6 +16,9 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  lint:
+    uses: 'google-github-actions/.github/.github/workflows/lint.yml@sethvargo/lint' # ratchet:exclude
+
   unit:
     strategy:
       fail-fast: false
@@ -31,15 +34,16 @@ jobs:
 
       - uses: 'actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a' # ratchet:actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version-file: 'package.json'
 
       - name: 'npm build'
         run: 'npm ci && npm run build'
 
       - name: 'npm lint'
         # There's no need to run the linter for each operating system, since it
         # will find the same thing 3x and clog up the PR review.
-        if: ${{ matrix.os == 'ubuntu-latest' }}
+        if: |-
+          ${{ matrix.os == 'ubuntu-latest' }}
         run: 'npm run lint'
 
       - name: 'npm test'

bin/runTests.sh

@@ -16,4 +16,4 @@ set -eEuo pipefail
 FILES="$(node -e "process.stdout.write(require('node:fs').readdirSync('./', { recursive: true }).filter((e) => {return e.endsWith('.test.ts') && !e.startsWith('node_modules');}).sort().join(' '));")"
 
 set -x
-exec node --require ts-node/register --test-reporter spec --test ${FILES}
+exec node --require ts-node/register --test-reporter spec --test "${FILES}"

package-lock.json

@@ -4,6 +4,10 @@
   "description": "Helpers and utilities that are shared among Google GitHub Actions",
   "author": "Google LLC",
   "license": "Apache-2.0",
+  "engines": {
+    "node": ">= 20.x",
+    "npm": ">= 11.x"
+  },
   "scripts": {
     "build": "rm -rf dist/ && ncc build --source-map --no-source-map-register src/index.ts",
     "lint": "eslint .",